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Accounting and finance

Ramp to Rillet integration — real-time, two-way sync

Keep Ramp and Rillet in sync without custom scripts. Cut weeks of integration work, eliminate silent data drift, and give your team a single, reliable source of truth.

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Adopted by fast-scaling companies moving mission-critical data in real time

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Why teams connect Ramp and Rillet

Keep the customer, invoice, and payment records that Ramp and Rillet share consistent in real time, whether the two systems split your finance stack or one is replacing the other.

Two finance systems in one company usually means one of two setups. Either the systems divide the work, with one issuing invoices or serving a business unit while the other holds the books, or one is on its way out and both must stay accurate during the transition. In both cases, the customer, invoice, and payment records the two systems share start to drift the moment updates are keyed twice or moved by hand.

Stacksync syncs Bills, Vendors, Funds (Spend Controls), General Ledger Accounts in Ramp with Vendor, Invoice, Credit Memo, Bill in Rillet bi-directionally and in real time. A record created or corrected in either system appears in the other within seconds, with field-level mapping and conflict resolution in place of CSV exports and nightly batch jobs.

That matters most at close. When both systems agree on who was billed, what was paid, and what is outstanding, reconciliation stops being a hunt for which copy of the truth is current.

Common use cases

  • 01 Mirror Bills and their approval and payment state into an AP or ERP system, marking each one ready-to-sync then synced to keep both ledgers reconciled.
  • 02 Read Reimbursements into a finance database for cross-entity expense reporting and reconciliation without manual CSV exports.
  • 03 Sync AR and collection status back to customer success tools ahead of renewals.
  • 04 Keep customers and invoices aligned between Rillet and a CRM so finance and sales work from the same account records.

Common sync patterns

Entity or business-unit roll-up

Where each system serves a different entity or unit, sync the shared records so group-level reporting starts from consistent data.

Where Ramp issues invoices and Rillet holds the books

Invoices and payments recorded on the billing side land in the system of record automatically, so revenue is captured once and correctly.

Parallel run during a migration

When one system is replacing the other, keep both live and matching through the cutover, so no transaction falls between the last export and go-live.

What you can sync between Ramp and Rillet

Representative objects on each side — any object or custom field can map to any target. Schemas are auto-detected; types are converted between the two systems.

Ramp objects Rillet objects How this pairing syncs
Reimbursements Out-of-pocket expense claims; read for reporting and marked ready-to-sync then synced to the ERP. Reimbursement Synced with incremental and full sync per the Stacksync docs. Same entity on both sides — records pair one-to-one and field-level changes reconcile in both directions.
Bills Accounts-payable bills; created, updated, approved, and paid, then posted ready-to-sync and synced to accounting. Bill Synced with incremental and full sync per the Stacksync docs. Same entity on both sides — records pair one-to-one and field-level changes reconcile in both directions.
Vendors Supplier records under the accounting namespace; uploaded and updated for AP matching and payments. Vendor Synced with incremental and full sync per the Stacksync docs. Same entity on both sides — records pair one-to-one and field-level changes reconcile in both directions.
Transactions Card purchase records with merchant, amount, and state; read for spend/GL sync and written back via accounting codings and sync status. Invoice Payment Synced with incremental and full sync per the Stacksync docs. Transactions is specific to Ramp and Invoice Payment to Rillet — each maps to any object or custom field on the other side.
Cards Physical and virtual card records; created and managed through the API to provision or suspend cardholder spend. Charge Synced with incremental and full sync per the Stacksync docs. Cards is specific to Ramp and Charge to Rillet — each maps to any object or custom field on the other side.
Users Employee and cardholder records; invited, updated, and deactivated, commonly synced from an HRIS or identity provider. Custom Field Synced with incremental and full sync per the Stacksync docs. Users is specific to Ramp and Custom Field to Rillet — each maps to any object or custom field on the other side.

How changes propagate between Ramp and Rillet

Each direction of the sync is driven by what the source system can signal and what the destination accepts — detection, delivery, and expected latency below.

Ramp Rillet Sub-second propagation

DetectionRamp notifies Stacksync of record changes through webhook events. Signed webhooks (HMAC-SHA256 X-Ramp-Signature) for bill, transaction, reimbursement, vendor, and user events.

DeliveryEach detected change is written to Rillet through its API, with automatic retries and rate-limit backoff.

Rillet Ramp Sub-second propagation

DetectionRillet pushes changes as they happen — webhook events backed by change data capture. Near real-time updates via change tracking.

DeliveryEach detected change is written to Ramp through its API, with automatic retries and rate-limit backoff.

Rate-limit considerations

  • Ramp: 200 requests per 10-second rolling window per source IP; exceeding it returns 429 Too Many Requests, and requests running over 60 seconds return 504. Results use keyset pagination (follow the page.next URL / start cursor); higher limits can be requested from support.
  • Rillet: Subject to the platform's API rate limits.
What ships with Ramp ⇄ Rillet

Connect Ramp and Rillet for flexible, real-time data sync.

Real-time sync, workflow automation, event queues, EDI, and monitoring, for every Ramp–Rillet connection.

Real-time

Two-way sync

Changes in Ramp or Rillet instantly reflect in both systems. No stale data, no manual imports.

No-code + pro-code

Workflow automation

Trigger automated workflows whenever Ramp or Rillet data changes, update records, fire webhooks, or kick off sequences without brittle API scripts.

At scale

Event queues

Handle millions of events per minute without losing a single Ramp or Rillet record.

Observability

Monitoring

Track your Ramp ⇄ Rillet sync health, view errors, and replay failed events in one click.

Trading partners

EDI

Transform legacy EDI complexity into simple database interactions between Ramp and Rillet.

How the Ramp and Rillet connectors work

Ramp

Integration surface
REST API (Developer API v1)
Authentication
OAuth 2.0: exchange client_id/client_secret (HTTP Basic) at api.ramp.com/developer/v1/token for scoped bearer tokens; client_credentials grant for server-to-server and authorization_code for user-delegated access; scopes follow resource:permission (e.g. transactions:read, bills:write, accounting:write).
Change detection
Signed webhooks (HMAC-SHA256 X-Ramp-Signature) for bill, transaction, reimbursement, vendor, and user events; otherwise poll incrementally (synced_after on transactions, from_created_at on bills) with keyset pagination, or read the audit-logs/events feed.
Capabilities
read · write · webhooks
Rate limits
200 requests per 10-second rolling window per source IP; exceeding it returns 429 Too Many Requests, and requests running over 60 seconds return 504. Results use keyset pagination (follow the page.next URL / start cursor); higher limits can be requested from support.
Ramp setup guide

Rillet

Integration surface
REST API (OpenAPI-specified, with production and sandbox environments)
Authentication
API key generated in Rillet (Organization Setting -> API Access); uncheck Read Only for bidirectional sync, check Read Only for one-way sync
Change detection
Near real-time updates via change tracking; incremental sync per object, with delete detection (some objects checked every 1h or 4h)
Capabilities
read · write · CDC · webhooks
Rate limits
Subject to the platform's API rate limits.
Rillet setup guide
How it works

How to connect Ramp to Rillet — three steps, no code

Configure and sync within minutes, no code. Whether you sync 50k or 100M+ records, Stacksync handles the queues, infra, and plumbing. Integrations are non-invasive and need zero setup on your systems.

  1. 01

    Connect your apps

    Authenticate Ramp and Rillet with each platform's native method — OAuth, API keys, or service accounts — plus secure options like SSH tunneling, IP whitelisting, and VPC peering.

    • OAuth 2.0
    • SSH tunnel
    • VPC peering
    Ramp connected
    Rillet connected
    OAuth 2.0
    SSH tunnel
    SSL certificate
    VPC peering
  2. 02

    Choose tables

    Pick the Ramp and Rillet objects to sync — Stacksync auto-detects both schemas, including custom fields where the platform exposes them. Sync to existing tables, or let Stacksync create new ones with ideal data types.

    • Standard objects
    • Custom objects
    • Auto-schema
    objects · Ramp ⇄ Rillet
    Customers 12,480
    Sales Orders 8,213
    Invoices 5,902
    Items 1,344
  3. 03

    Map fields

    Fields map automatically even when names and types differ. Stacksync handles transformation and type casting for you, zero configuration required.

    • Auto-map
    • Type casting
    • Transforms
    Ramp Rillet
    Company company_name text
    Email email text
    Amount amount numeric
    Created created_at timestamp
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FAQ

Ramp and Rillet integration FAQ

SECURITY

Security teams trust Stacksync

As a data company, we understand the importance of keeping your data secure. Stacksync is built with security best practices to keep your data safe at every layer, and is DPF-certified for US, EU, UK and CH data transfers.

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SSO & SCIM

Let your users access Stacksync from your centralized user management systems. Works with Okta, Azure, Google SSO and more.

Alerts

Immediately get alerted about record syncing issues over email, Slack, PagerDuty and WhatsApp. Resolve issues from a centralized dashboard with retry and revert options.

Secure connection options

Securely connects to your systems with:

OAuth 2 SSH Tunnelling SSL certificates IP Whitelisting VPN gateway VPC peering and more

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